/* Copyright  2009
   @Author
   Richard Changde Yin            e-mail yinchangde@hotmail.com

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/**
 * @filename: stacktrace.h
 */
#ifndef __STACKTRACE_H__
#define __STACKTRACE_H__

#ifdef __cplusplus
extern "C" {
#endif
#ifndef HAVE_ABI_CXA_DEMANGLE
#define HAVE_ABI_CXA_DEMANGLE 0
#endif

#if defined(HAVE_BACKTRACE) && HAVE_BACKTRACE_SYMBOLS && HAVE_CXXABI_H && HAVE_ABI_CXA_DEMANGLE
#define BACKTRACE_DEMANGLE 1
#endif

#if defined(BACKTRACE_DEMANGLE)
  char *db_demangle(const char *mangled_name, int *status);
#endif

#ifdef TARGET_OS_LINUX
#if defined(HAVE_STACKTRACE) || (defined (__x86_64__) || defined (__i386__) )
#undef HAVE_STACKTRACE
#define HAVE_STACKTRACE

  extern char* __bss_start;
  extern char* heap_start;

#define init_stacktrace() do {                                 \
    heap_start = (char*) &__bss_start; \
  } while(0);
  void check_thread_lib(void);
#endif /* defined (__i386__) */
#endif /* defined HAVE_OS_LINUX */

#ifdef HAVE_STACKTRACE
  void print_stacktrace(unsigned char* stack_bottom, size_t thread_stack);
  void safe_print_str(const char* name, const char* val, int max_len);
#else
/* Define empty prototypes for functions that are not implemented */
#define init_stacktrace() {}
#define print_stacktrace(A,B) {}
#define safe_print_str(A,B,C) {}
#endif /* HAVE_STACKTRACE */


  void write_core(int sig);

#ifdef  __cplusplus
}
#endif

#endif
